import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights.vue'
import Roles from '../components/power/Roles.vue'
import Params from '../components/goods/Params.vue'

Vue.use(VueRouter)

const routes = [{
    path: '/',
    redirect: '/login'
}, {
    path: '/login',
    component: Login
}, {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [{
        path: '/welcome',
        component: Welcome
    }, {
        path: '/users',
        component: Users
    }, {
        path: '/rights',
        component: Rights
    }, {
        path: '/roles',
        component: Roles
    }, {
        path: '/params',
        component: Params
    }]
}]

const router = new VueRouter({
        routes
    })
    // 路由挂载守卫
router.beforeEach((to, from, next) => {
    // to将要访问的路径
    // form代表从哪个路径跳转而来
    // next是一个函数代表放行
    if (to.path === '/login') return next()
        // 获取token
    const tokenStr = window.sessionStorage.getItem('token')
        // console.log(tokenStr);
    if (!tokenStr) return next('/login')
    next()
})

export default router